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LMV1090TLX

Category:Audio amplifier
Product Name:Dual-input far-field noise suppression microphone amplifier
Manufacturers:NSC
Production Batch Number:10+
Encapsulation:MICRO SMD
Stock Status:There is stock
Stock Quantity:10000
Minimum order quantity: 1
Details:

Product introduction

peculiarity

No loss of speech intelligibility
No processing delay is added
Low power consumption
Differential output
Excellent RF immunity
Adjustable gain from 12 to 54 dB
Shutdown function
Space-saving 16-ball micro SMD package

illustrate

The LMV1090 is a fully analog dual differential input, differential output, microphone array amplifier designed to reduce background noise in voice communication applications while providing superior speech intelligibility.

The LMV1090 retains the near-field voice signal at 4 cm in the microphone while rejecting microphones with far-field noise exceeding 50 cm. Far-field rejection of up to 20dB is possible in a properly configured and 0.5dB matched microphone with ±.

Part of the family of PowerWise™ energy-saving solutions, the LMV1090 consumes only 600μA of supply current, delivering superior performance with DSP solutions that consume more than 10 times the power.

Dual microphone inputs and processed signal outputs to provide excellent poor immunity to interference. Microphones with internal low-noise bias supplies are biased.

Main specifications

Far-field noise suppression electronics*	34 dB (typical)
SNRI_Ë	26 dB (typical)
Supply current	600μA (typical)
Standby current	0.1μA (typical)
Signal-to-noise ratio (audio and speech bands)	65 dB (typical)
Total harmonic distortion + noise	0.1% (typical)
PSRR (at 217Hz)	99 dB (typical)

* At f = 1kHz_FFNSË

apply

Mobile phone headphones
Mobile and handheld two-way radios
Bluetooth and other powered headphones
Handheld voice microphone
cell phone

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LMV1090TLX/NOPB	NS	10+	16-WFBGA	LMV1090 dual-input, far-field noise suppression microphone amplifier; Packing: micro SMD package, no lead: 16; Quantity per container: 3000/Reel
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LMV1090TLX

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